diff options
Diffstat (limited to 'drivers/scsi/bfa/bfa_fcs_rport.c')
| -rw-r--r-- | drivers/scsi/bfa/bfa_fcs_rport.c | 230 |
1 files changed, 17 insertions, 213 deletions
diff --git a/drivers/scsi/bfa/bfa_fcs_rport.c b/drivers/scsi/bfa/bfa_fcs_rport.c index cf4a6e73e60d..caaee6f06937 100644 --- a/drivers/scsi/bfa/bfa_fcs_rport.c +++ b/drivers/scsi/bfa/bfa_fcs_rport.c @@ -19,9 +19,9 @@ * rport.c Remote port implementation. */ +#include "bfad_drv.h" #include "bfa_fcs.h" #include "bfa_fcbuild.h" -#include "bfad_drv.h" BFA_TRC_FILE(FCS, RPORT); @@ -75,30 +75,6 @@ static void bfa_fcs_rport_send_ls_rjt(struct bfa_fcs_rport_s *rport, static void bfa_fcs_rport_process_adisc(struct bfa_fcs_rport_s *rport, struct fchs_s *rx_fchs, u16 len); static void bfa_fcs_rport_send_prlo_acc(struct bfa_fcs_rport_s *rport); -/* - * fcs_rport_sm FCS rport state machine events - */ - -enum rport_event { - RPSM_EVENT_PLOGI_SEND = 1, /* new rport; start with PLOGI */ - RPSM_EVENT_PLOGI_RCVD = 2, /* Inbound PLOGI from remote port */ - RPSM_EVENT_PLOGI_COMP = 3, /* PLOGI completed to rport */ - RPSM_EVENT_LOGO_RCVD = 4, /* LOGO from remote device */ - RPSM_EVENT_LOGO_IMP = 5, /* implicit logo for SLER */ - RPSM_EVENT_FCXP_SENT = 6, /* Frame from has been sent */ - RPSM_EVENT_DELETE = 7, /* RPORT delete request */ - RPSM_EVENT_SCN = 8, /* state change notification */ - RPSM_EVENT_ACCEPTED = 9, /* Good response from remote device */ - RPSM_EVENT_FAILED = 10, /* Request to rport failed. */ - RPSM_EVENT_TIMEOUT = 11, /* Rport SM timeout event */ - RPSM_EVENT_HCB_ONLINE = 12, /* BFA rport online callback */ - RPSM_EVENT_HCB_OFFLINE = 13, /* BFA rport offline callback */ - RPSM_EVENT_FC4_OFFLINE = 14, /* FC-4 offline complete */ - RPSM_EVENT_ADDRESS_CHANGE = 15, /* Rport's PID has changed */ - RPSM_EVENT_ADDRESS_DISC = 16, /* Need to Discover rport's PID */ - RPSM_EVENT_PRLO_RCVD = 17, /* PRLO from remote device */ - RPSM_EVENT_PLOGI_RETRY = 18, /* Retry PLOGI continously */ -}; static void bfa_fcs_rport_sm_uninit(struct bfa_fcs_rport_s *rport, enum rport_event event); @@ -498,24 +474,24 @@ bfa_fcs_rport_sm_hal_online(struct bfa_fcs_rport_s *rport, case RPSM_EVENT_LOGO_RCVD: bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_logorcv); - bfa_rport_offline(rport->bfa_rport); + bfa_sm_send_event(rport->bfa_rport, BFA_RPORT_SM_OFFLINE); break; case RPSM_EVENT_LOGO_IMP: case RPSM_EVENT_ADDRESS_CHANGE: bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_offline); - bfa_rport_offline(rport->bfa_rport); + bfa_sm_send_event(rport->bfa_rport, BFA_RPORT_SM_OFFLINE); break; case RPSM_EVENT_PLOGI_RCVD: bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); - bfa_rport_offline(rport->bfa_rport); + bfa_sm_send_event(rport->bfa_rport, BFA_RPORT_SM_OFFLINE); bfa_fcs_rport_send_plogiacc(rport, NULL); break; case RPSM_EVENT_DELETE: bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_logosend); - bfa_rport_offline(rport->bfa_rport); + bfa_sm_send_event(rport->bfa_rport, BFA_RPORT_SM_OFFLINE); break; case RPSM_EVENT_SCN: @@ -824,7 +800,7 @@ bfa_fcs_rport_sm_fc4_logorcv(struct bfa_fcs_rport_s *rport, switch (event) { case RPSM_EVENT_FC4_OFFLINE: bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_logorcv); - bfa_rport_offline(rport->bfa_rport); + bfa_sm_send_event(rport->bfa_rport, BFA_RPORT_SM_OFFLINE); break; case RPSM_EVENT_DELETE: @@ -856,7 +832,7 @@ bfa_fcs_rport_sm_fc4_logosend(struct bfa_fcs_rport_s *rport, switch (event) { case RPSM_EVENT_FC4_OFFLINE: bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_logosend); - bfa_rport_offline(rport->bfa_rport); + bfa_sm_send_event(rport->bfa_rport, BFA_RPORT_SM_OFFLINE); break; default: @@ -878,7 +854,7 @@ bfa_fcs_rport_sm_fc4_offline(struct bfa_fcs_rport_s *rport, switch (event) { case RPSM_EVENT_FC4_OFFLINE: bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_offline); - bfa_rport_offline(rport->bfa_rport); + bfa_sm_send_event(rport->bfa_rport, BFA_RPORT_SM_OFFLINE); break; case RPSM_EVENT_SCN: @@ -1459,7 +1435,7 @@ bfa_fcs_rport_plogi_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, twin->stats.plogi_rcvd += rport->stats.plogi_rcvd; twin->stats.plogi_accs++; - bfa_fcs_rport_delete(rport); + bfa_sm_send_event(rport, RPSM_EVENT_DELETE); bfa_fcs_rport_update(twin, plogi_rsp); twin->pid = rsp_fchs->s_id; @@ -1992,13 +1968,14 @@ bfa_fcs_rport_alloc(struct bfa_fcs_lport_s *port, wwn_t pwwn, u32 rpid) /* * allocate FC-4s */ - bfa_assert(bfa_fcs_lport_is_initiator(port)); + WARN_ON(!bfa_fcs_lport_is_initiator(port)); if (bfa_fcs_lport_is_initiator(port)) { rport->itnim = bfa_fcs_itnim_create(rport); if (!rport->itnim) { bfa_trc(fcs, rpid); - bfa_rport_delete(rport->bfa_rport); + bfa_sm_send_event(rport->bfa_rport, + BFA_RPORT_SM_DELETE); kfree(rport_drv); return NULL; } @@ -2032,7 +2009,7 @@ bfa_fcs_rport_free(struct bfa_fcs_rport_s *rport) bfa_fcs_rpf_rport_offline(rport); } - bfa_rport_delete(rport->bfa_rport); + bfa_sm_send_event(rport->bfa_rport, BFA_RPORT_SM_DELETE); bfa_fcs_lport_del_rport(port, rport); kfree(rport->rp_drv); } @@ -2307,40 +2284,8 @@ bfa_fcs_rport_plogi(struct bfa_fcs_rport_s *rport, struct fchs_s *rx_fchs, bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_RCVD); } -/* - * Called by bport/vport to delete a remote port instance. - * - * Rport delete is called under the following conditions: - * - vport is deleted - * - vf is deleted - * - explicit request from OS to delete rport - */ -void -bfa_fcs_rport_delete(struct bfa_fcs_rport_s *rport) -{ - bfa_sm_send_event(rport, RPSM_EVENT_DELETE); -} /* - * Called by bport/vport to when a target goes offline. - * - */ -void -bfa_fcs_rport_offline(struct bfa_fcs_rport_s *rport) -{ - bfa_sm_send_event(rport, RPSM_EVENT_LOGO_IMP); -} - -/* - * Called by bport in n2n when a target (attached port) becomes online. - * - */ -void -bfa_fcs_rport_online(struct bfa_fcs_rport_s *rport) -{ - bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_SEND); -} -/* * Called by bport/vport to notify SCN for the remote port */ void @@ -2350,23 +2295,6 @@ bfa_fcs_rport_scn(struct bfa_fcs_rport_s *rport) bfa_sm_send_event(rport, RPSM_EVENT_SCN); } -/* - * Called by fcpim to notify that the ITN cleanup is done. - */ -void -bfa_fcs_rport_itnim_ack(struct bfa_fcs_rport_s *rport) -{ - bfa_sm_send_event(rport, RPSM_EVENT_FC4_OFFLINE); -} - -/* - * Called by fcptm to notify that the ITN cleanup is done. - */ -void -bfa_fcs_rport_tin_ack(struct bfa_fcs_rport_s *rport) -{ - bfa_sm_send_event(rport, RPSM_EVENT_FC4_OFFLINE); -} /* * brief @@ -2465,15 +2393,6 @@ bfa_cb_rport_qos_scn_prio(void *cbarg, * Called to process any unsolicted frames from this remote port */ void -bfa_fcs_rport_logo_imp(struct bfa_fcs_rport_s *rport) -{ - bfa_sm_send_event(rport, RPSM_EVENT_LOGO_IMP); -} - -/* - * Called to process any unsolicted frames from this remote port - */ -void bfa_fcs_rport_uf_recv(struct bfa_fcs_rport_s *rport, struct fchs_s *fchs, u16 len) { @@ -2586,6 +2505,7 @@ bfa_fcs_rport_get_state(struct bfa_fcs_rport_s *rport) return bfa_sm_to_state(rport_sm_table, rport->sm); } + /* * brief * Called by the Driver to set rport delete/ageout timeout @@ -2602,7 +2522,7 @@ bfa_fcs_rport_set_del_timeout(u8 rport_tmo) bfa_fcs_rport_del_timeout = rport_tmo * 1000; } void -bfa_fcs_rport_prlo(struct bfa_fcs_rport_s *rport, u16 ox_id) +bfa_fcs_rport_prlo(struct bfa_fcs_rport_s *rport, __be16 ox_id) { bfa_trc(rport->fcs, rport->pid); @@ -2621,106 +2541,6 @@ bfa_fcs_rport_prlo(struct bfa_fcs_rport_s *rport, u16 ox_id) * fcs_rport_api FCS rport API. */ -/* - * Direct API to add a target by port wwn. This interface is used, for - * example, by bios when target pwwn is known from boot lun configuration. - */ -bfa_status_t -bfa_fcs_rport_add(struct bfa_fcs_lport_s *port, wwn_t *pwwn, - struct bfa_fcs_rport_s *rport, struct bfad_rport_s *rport_drv) -{ - bfa_trc(port->fcs, *pwwn); - - return BFA_STATUS_OK; -} - -/* - * Direct API to remove a target and its associated resources. This - * interface is used, for example, by driver to remove target - * ports from the target list for a VM. - */ -bfa_status_t -bfa_fcs_rport_remove(struct bfa_fcs_rport_s *rport_in) -{ - - struct bfa_fcs_rport_s *rport; - - bfa_trc(rport_in->fcs, rport_in->pwwn); - - rport = bfa_fcs_lport_get_rport_by_pwwn(rport_in->port, rport_in->pwwn); - if (rport == NULL) { - /* - * TBD Error handling - */ - bfa_trc(rport_in->fcs, rport_in->pid); - return BFA_STATUS_UNKNOWN_RWWN; - } - - /* - * TBD if this remote port is online, send a logo - */ - return BFA_STATUS_OK; - -} - -/* - * Remote device status for display/debug. - */ -void -bfa_fcs_rport_get_attr(struct bfa_fcs_rport_s *rport, - struct bfa_rport_attr_s *rport_attr) -{ - struct bfa_rport_qos_attr_s qos_attr; - bfa_fcs_lport_t *port = rport->port; - bfa_port_speed_t rport_speed = rport->rpf.rpsc_speed; - - memset(rport_attr, 0, sizeof(struct bfa_rport_attr_s)); - - rport_attr->pid = rport->pid; - rport_attr->pwwn = rport->pwwn; - rport_attr->nwwn = rport->nwwn; - rport_attr->cos_supported = rport->fc_cos; - rport_attr->df_sz = rport->maxfrsize; - rport_attr->state = bfa_fcs_rport_get_state(rport); - rport_attr->fc_cos = rport->fc_cos; - rport_attr->cisc = rport->cisc; - rport_attr->scsi_function = rport->scsi_function; - rport_attr->curr_speed = rport->rpf.rpsc_speed; - rport_attr->assigned_speed = rport->rpf.assigned_speed; - - bfa_rport_get_qos_attr(rport->bfa_rport, &qos_attr); - rport_attr->qos_attr = qos_attr; - - rport_attr->trl_enforced = BFA_FALSE; - if (bfa_fcport_is_ratelim(port->fcs->bfa)) { - if (rport_speed == BFA_PORT_SPEED_UNKNOWN) { - /* Use default ratelim speed setting */ - rport_speed = - bfa_fcport_get_ratelim_speed(rport->fcs->bfa); - } - - if (rport_speed < bfa_fcs_lport_get_rport_max_speed(port)) - rport_attr->trl_enforced = BFA_TRUE; - } -} - -/* - * Per remote device statistics. - */ -void -bfa_fcs_rport_get_stats(struct bfa_fcs_rport_s *rport, - struct bfa_rport_stats_s *stats) -{ - *stats = rport->stats; -} - -void -bfa_fcs_rport_clear_stats(struct bfa_fcs_rport_s *rport) -{ - memset((char *)&rport->stats, 0, - sizeof(struct bfa_rport_stats_s)); -} - struct bfa_fcs_rport_s * bfa_fcs_rport_lookup(struct bfa_fcs_lport_s *port, wwn_t rpwwn) { @@ -2752,22 +2572,6 @@ bfa_fcs_rport_lookup_by_nwwn(struct bfa_fcs_lport_s *port, wwn_t rnwwn) } /* - * This API is to set the Rport's speed. Should be used when RPSC is not - * supported by the rport. - */ -void -bfa_fcs_rport_set_speed(struct bfa_fcs_rport_s *rport, bfa_port_speed_t speed) -{ - rport->rpf.assigned_speed = speed; - - /* Set this speed in f/w only if the RPSC speed is not available */ - if (rport->rpf.rpsc_speed == BFA_PORT_SPEED_UNKNOWN) - bfa_rport_speed(rport->bfa_rport, speed); -} - - - -/* * Remote port features (RPF) implementation. */ @@ -2827,7 +2631,7 @@ bfa_fcs_rpf_sm_uninit(struct bfa_fcs_rpf_s *rpf, enum rpf_event event) case RPFSM_EVENT_RPORT_ONLINE: /* Send RPSC2 to a Brocade fabric only. */ if ((!BFA_FCS_PID_IS_WKA(rport->pid)) && - ((bfa_lps_is_brcd_fabric(rport->port->fabric->lps)) || + ((rport->port->fabric->lps->brcd_switch) || (bfa_fcs_fabric_get_switch_oui(fabric) == BFA_FCS_BRCD_SWITCH_OUI))) { bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_rpsc_sending); @@ -3093,7 +2897,7 @@ bfa_fcs_rpf_rpsc2_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, num_ents = be16_to_cpu(rpsc2_acc->num_pids); bfa_trc(rport->fcs, num_ents); if (num_ents > 0) { - bfa_assert(rpsc2_acc->port_info[0].pid != rport->pid); + WARN_ON(rpsc2_acc->port_info[0].pid == rport->pid); bfa_trc(rport->fcs, be16_to_cpu(rpsc2_acc->port_info[0].pid)); bfa_trc(rport->fcs, |